Your number, one digit away
One digit away
One change could reach Singular.
Your number
687,878
Exceptional · Top 1.26%
Position 1: 6 → 7 · +299 points.
Gained: ABAB pattern, Digit sum 45, Only two distinct digits, 2 distinct digits, Alternating parity.
Lost: Digit sum 44, 3 distinct digits, Semiprime, Happy number.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.